Prefabricated cable duct bank stress monitoring system
By introducing data acquisition blocks, optical fiber sensors and strain gauges into the cable drain pipe, the problem of lack of targeted and insufficient real-time monitoring of cable drain pipe design is solved, real-time monitoring of stress changes and timely detection of safety hazards is achieved, and the operation reliability of cable lines and the safety of the power system are improved.
Patent Information
- Application Number
- CN202422626447.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-29
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-10-29
AI Technical Summary
The existing technology lacks targetedness in the calculation of cable pipe structures, resulting in overconservative design, which may cause waste of resources and increase costs. At the same time, there is a lack of real-time stress monitoring methods, making it impossible to detect potential safety hazards in a timely manner.
The combination of data acquisition block, optical fiber sensor and strain gauge is used to realize real-time monitoring of stress changes in cable discharge pipes through connectors, and a data report is generated to analyze the stress change rules.
Real-time monitoring of stress in cable discharge pipes is realized, safety hazards are discovered in a timely manner, cable line operation reliability, maintenance costs are reduced, and power system safety is improved.
Smart Images

Figure CN223229121U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cable conduit monitoring, in particular to a prefabricated cable conduit stress monitoring system. Background Art
[0002] At present, the relevant structural calculations for cable ducts have not been perfected and have not yet become a system. The relevant load considerations refer to the design specifications related to roads and bridges, which are not accurately targeted. Due to excessive conservatism in the relevant designs, some resources may be wasted and costs increased. Summary of the Invention
[0003] In view of this, the purpose of the present invention is to provide a prefabricated cable conduit stress monitoring system that can monitor the stress changes in the cable conduit in real time and understand the relevant load conditions during actual operation.
[0004] The utility model is implemented by the following method: a prefabricated cable conduit stress monitoring system includes a data acquisition block, both left and right ends of the data acquisition block are provided with connectors, a plurality of pipe holes for the cable conduits to pass through are opened at equal distances on the left side surface of the data acquisition block, optical fiber sensors are provided on both the left and right sides and the front and rear ends of the upper surface of the data acquisition block, and strain gauges are provided on the upper surface and the middle of the front and rear surfaces of the data acquisition block.
[0005] Furthermore, the connecting part includes a connecting groove and a connecting protrusion. A connecting groove is provided on the left side of the data acquisition block, and guide rail grooves are provided on the bottom and side surfaces of the connecting groove. The connecting protrusion corresponding to the connecting groove is provided on the right side of the data acquisition block, and a connecting slider corresponding to the guide rail groove is provided on the lower surface and side surfaces of the connecting protrusion.
[0006] The beneficial effects of the present invention are as follows: the present invention adds connectors, pipe holes, optical fiber sensors and strain gauges to the device, and by real-time monitoring of stress changes in the cable conduit, it is possible to understand the relevant load conditions during actual operation, promptly discover potential safety hazards, and prevent the occurrence of cable failures; the application of this technology helps to improve the operational reliability of cable lines, reduce maintenance costs, and enhance the safety of the entire power system; stress data is recorded through strain gauges, and corresponding data reports or charts are generated to facilitate subsequent data analysis and processing, and the data is analyzed regularly to understand the stress change patterns and trends of the cable conduit, providing a scientific basis for decision-making in the production process. BRIEF DESCRIPTION OF THE DRAWINGS
[0007] Figure 1 It is a structural diagram of the present utility model. DETAILED DESCRIPTION
[0008] The present invention will be further described below with reference to the accompanying drawings.
[0009] See also Figure 1 As shown, the present invention provides an embodiment: a prefabricated cable conduit stress monitoring system, comprising a data acquisition block 1, with connectors 2 provided at both left and right ends of the data acquisition block 1. A plurality of equally spaced holes 3 are provided on the left side of the data acquisition block 1 to facilitate the passage of the cable conduit. Fiber optic sensors 4 are provided on both the left and right sides and the front and rear ends of the upper surface of the data acquisition block 1. Strain gauges 5 are provided on the upper surface and in the middle of the front and rear surfaces of the data acquisition block 1. By passing the cable conduit through the holes 3 and using the fiber optic sensors 4 and strain gauges 5 to monitor stress changes within the cable conduit in real time, the relevant load conditions during actual operation can be understood, potential safety hazards can be promptly identified, and cable failures can be prevented.
[0010] Please continue reading Figure 1 As shown, in one embodiment of the present invention, the connector 2 includes a connecting groove 21 and a connecting protrusion 22. The left side of the data acquisition block 1 is provided with the connecting groove 21, and the bottom and side surfaces of the connecting groove 21 are provided with guide rail grooves 23. The right side of the data acquisition block 1 is provided with the connecting protrusion 22 corresponding to the connecting groove 21, and the lower surface and side surfaces of the connecting protrusion 22 are provided with connecting sliders 24 corresponding to the guide rail grooves 23. The mating of the connecting protrusions 22 and the connecting grooves 21 enables the connection of two data acquisition blocks 1, facilitating the monitoring of cable conduits of different lengths.
[0011] The optical fiber sensor and strain gauge in the present invention are both prior arts, which are clearly understood by those skilled in the art and will not be described in detail here. The optical fiber sensor may be a KEYENCE optical fiber sensor FU-58.
[0012] The above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention should fall within the scope of the present invention.
Claims
1. A prefabricated cable conduit stress monitoring system, characterized by: It includes a data acquisition block, which is provided with connecting parts at both ends of the left and right ends. A plurality of pipe holes are opened at equal distances on the left side of the data acquisition block to facilitate the passage of cable conduits. Optical fiber sensors are provided on both the left and right sides and the front and back ends of the upper surface of the data acquisition block. Strain gauges are provided on the upper surface and the middle of the front and back surfaces of the data acquisition block.
2. The prefabricated cable conduit stress monitoring system according to claim 1, characterized in that: The connecting part includes a connecting groove and a connecting protrusion. A connecting groove is provided on the left side of the data acquisition block, and guide rail grooves are provided on the bottom and side surfaces of the connecting groove. The connecting protrusion corresponding to the connecting groove is provided on the right side of the data acquisition block, and connecting sliders corresponding to the guide rail grooves are provided on the lower surface and side surfaces of the connecting protrusion.